Asia News International: A new research has indicated that Koalas and other leaf-eating animals may be threatened because of climate change causing eucalyptus leaves to become inedible. The research, carried out in Australia, saw eucalyptus leaves, which are the staple diet of Koalas, turning to leather. Koalas and greater gliders depend entirely on eucalyptus leaves for food, while some other marsupials, including brushtail and ringtail possums and many wallaby species, feed extensively on the …